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Large FWHMStarted by:e92m3, 03/03/2011 11:42AM
I was trying to use the task
noao.digiphot.apphot.phot and I am
having problems with some of the
parameters.

Usually I leave both the inner radius of
the sky annulus and the width of the sky
annulus to their default value of the 10
pixels. The aperture...

1487

By: valdes

03/03/2011 11:42AM

reidentify - fitcoordStarted by:donzelli, 07/27/2010 01:56PM
Hi all,
I'm still trying to solve why I get a
bad wavelength calibration using
fitcoord foutine and I hope someone out
there could help.
The plot for x-y coordinates of the
identified lines is here:

http://www.iate.oac.uncor.edu/~charly/fitcoord.png

I...

1488

By: donzelli

07/27/2010 01:56PM

xc errorStarted by:prajwel, 05/06/2014 12:22PM
[color=red][/color] I've just started to
learn SPP programming, and the very
start ended in a unprecedented
predicament.
I had saved this code as hello.x

[code]# hello

task hello = t_hello_world

procedure t_hello_world ()

begin
call p...

1493

By: prajwel

05/06/2014 02:38PM

x_onedspec.e memory corrupted error i...Started by:aburgasser, 04/06/2010 11:46AM
Hey everyone,

I'm running IRAF on Mac OS 10.6.3 using
xterm -> xgterm.

While running the "identify" task in
NOAO->twod->apextract i'm getting
the following fatal error:

PANIC in
`/iraf/iraf/noao/bin.macintel/x_onedspec.e':
Memory has been co...

1494

By: fitz

04/06/2010 11:46AM

Finding sigma of a source(in pixels)??Started by:jcely, 12/01/2009 04:23AM
I understand imexamine can give me a
sigma value for an image, but as i see
it-that is a sigma of pixel values.
What i am looking for is a sigma(stdev)
in pixels from the center of a source.
Imexam can give me a FWHM measurement,
which i can relate to...

1497

By: jcely

12/01/2009 04:23AM

Input outpu errorStarted by:vmagalhaes, 07/16/2011 03:55PM
I have recently updated my osx to osx
10.6.8
everything worked just fine,
until today,
today i was trying to run iraf and then
i got this message:
/iraf/bin.macintel/ecl.e: Input/output
error.
Does anyone knows what this is all
about?
i try to reinstall...

1499

By: fitz

07/16/2011 03:55PM

cctran and ccmap rotationStarted by:Sean, 10/17/2009 07:39PM
Hello,
I was using the IRAF task ccmap to
create a linear plate solution for a
known astrometry field. I then tried to
check the solution by setting the
xrotation, yrotation, xmag, ymag, etc.
in cctran and inputing the pixel
coordinates of stars in m...

1499

By: Sean

10/17/2009 07:39PM

wcs for mosaic 3.0 Started by:prasadh, 07/04/2017 05:47AM

1.
I am trying to update the WCS for
my mosaic images. I followed the
document here
http://iraf.noao.edu/projects/ccdmosaic/astrometry/astrom.html#physical
and Used MSCTPEAK task to make the
wcs databse file and updated the W...

1502

By: prasadh

07/07/2017 04:38AM

installationStarted by:bforotani, 11/25/2008 11:31AM
hi
I have problem with installing IRAF.
I get a irafsource and make IRAF user
and also make directorys.
but my problem is that I can't unpack
main IRAF distribution.whould you
suggest me how can I unpack that?? :?:

regards,

behnaz forotaninia

1502

By: fitz

11/25/2008 11:31AM

GRASPStarted by:phntmII, 05/19/2011 10:10PM
Hi All,

Does any one know if GRASP is still
supported and available to the public?
This is the external package put out by
GONG in the '90s.

Thanks!!

1503

By: phntmII

05/19/2011 10:10PM

daophot substar does not react to wcs...Started by:hansmor, 04/13/2010 08:50PM
Hi,

I have a problem with the substar task
in the daophot package
To me, this looks like a bug.

[code:1:45222c8c91]
daophot> substar
image.fits[4] image.fits4.nst.3
'' image.fits4.psf.1.fits default
SUBTRACTING - Star: 66 X = 574.54
...

1503

By: hansmor

04/13/2010 08:50PM

Move images in listsStarted by:AnTaR3s, 08/05/2010 10:01AM
Hey

I know I can move images with bash
commands and use imcopy to copy images
with certain parameters, but is there a
way to combine these?

The data-sets I have to work on are a
mess...so I created a script which
automatically copies the correct
fits-...

1509

By: AnTaR3s

08/05/2010 10:01AM

display and ds9 pixel positions do no...Started by:vsravani, 01/25/2014 11:13AM
Hi,

I have a 4150x4150 pixel image. The
position of the pixels in ds9 is
different from that of iraf when I use
the display task. I have tried with
imt4096 and imt8192, and it looks like
iraf is scaling my 4150 image to fit
into the iraf image size...

1510

By: vsravani

01/25/2014 12:25PM

Bug Report: MedianStarted by:mlarichardson, 08/04/2010 08:30PM
I have been trying to rewrite a 2D-fits
file with every pixel equal to the
median of the image. The image has
dimensions 59X61. I attempt this by:

> median(input="2dfile.fits",
output="result.fits", xwindow=59,
ywindow=61, boundary="wrap")

The resu...

1510

By: mlarichardson

08/04/2010 08:30PM

Display Problem on new IRAF installStarted by:joshw, 04/15/2010 02:53AM
Hi,

I'm having an odd problem with the
display function after installing IRAF
(via SciSoft) on a new computer (running
Mac OS X 10.6). IRAF seems to run okay,
but when I display an image, I get a
blank square and the pixel coordinate
readout gives [b:...

1516

By: joshw

04/15/2010 02:53AM

IRAF and SAMPStarted by:rjvo, 08/22/2013 07:37AM
When I make "callAndWait" to IRAF via a
SAMP Hub, I get immediate return to a
Client while IRAF still waits doing for
example: "scan x" or "implot dev$pix".
Is there any method to send the "c"
results of "implot dev$pix" to a SAMP
Client?

1518

By: fitz

08/22/2013 07:37AM

Problem with scriptStarted by:KarolinaS, 01/17/2018 09:27AM
Hello everyone,

I have a problem with script. Everything
seems to be ok, but when I try to run
it, I see error:

ERROR: image keyword ‘hedit’ not
found

My script looks like this:

hedit @a.lst date-obs '(@"DATE-OBS")'
add+ ver-
hedit @a...

1520

By: fitz

01/29/2018 03:26PM

Photometry - new PSF-modelStarted by:rjvo, 01/16/2009 08:55AM
I would like to know how to extend the
psf-models (gauss, lorentz, penny, etc.)
by my own one. Is there any "plug-in"
method (something like virtual method of
object oriented programming) possible?

1521

By: fitz

01/16/2009 08:55AM

psfmeasure automationStarted by:cmat, 06/24/2011 03:58AM
Hello All,

I'm having difficulty figuring out how
to automate the task of measuring the
FWHM of stars using psfmeasure. I have
coordinates obtained from external
software marking the positions of the
stars, but I don't understand how to
make psfmeasure...

1530

By: fitz

06/24/2011 03:58AM

error message when starting "cl&...Started by:beaulieusf, 07/13/2009 03:28PM
Hello,

I have just installed iraf on a Mac OSX
PPC Tiger and when I type the command
"cl" I get this error message:

**: /
^
ERROR: syntax error
called as:`cl ()'
called as:`cl ()'
Error while reading login.cl file - may
need to rebuild with mkir...

1532

By: beaulieusf

07/13/2009 03:28PM

lscombineStarted by:cjsifon, 10/28/2009 02:49PM
Hello,

I need to combine two multislit images
(from GMOS; I've done it slit by slit
actually), because I have only one
calibration lamp (same observation
field; different grating). So what I
need is that one of the images
"migrates" to the space of the...

1535

By: cjsifon

10/28/2009 02:49PM

64bit clStarted by:duvall, 07/07/2010 08:48PM
I'm just getting started with the new
version 2.15Alpha. I wanted to do
something that was a 64-bit thing, so I
said to the cl:

x=1.e10
i=x
print (i)
with the result:
-2147483648

I guess I was thinking that integers in
the cl would be 64bit. Am I wr...

1536

By: fitz

07/07/2010 08:48PM

IRAF TNX and ZPX WCS: Used in NOAO Mo...Started by:valdes, 06/10/2010 12:18AM
IRAF provides two world coordinate
systems (WCS) which include arbitrary
polynomial distortions. These are not
FITS standard, particular as they
predate the most recent FITS standards
and the current standards do not provide
such general distortion met...

1538

By: valdes

06/10/2010 12:18AM

can't start xgtermStarted by:duvall, 12/01/2018 12:19PM
I upgraded my macbook air to mojave
10.14.1. When I try to start up
xgterm, I get the message

dyld: Library not loaded:
/usr/X11R6/lib/libXpm.4.dylib
Referenced from:
/Users/duvall/.iraf/bin/xgterm
Reason: image not found

Help!
Thanks.
...

1540

By: duvall

12/11/2018 09:29AM

iraf 2.14 Soalris install questionStarted by:urao, 08/07/2008 08:36PM
I will be installing iraf 2.14 on
solaris 10 sparc machine. Looking at the
downloads and reading the Installtion
guide:

as.ssol.gen.gz
ib.sos4.sun.gz
ib.ssol.sun.gz
nb.sos4.sun.gz
nb.ssol.sun.gz

I am not sure if I should download
ib.sos4.sun.gz and nb...

1541

By: fitz

08/07/2008 08:36PM

Coordinate file generated by daofind ...Started by:Arghya, 05/24/2022 01:38PM
Hi ,
I am currently a beginner with
IRAF and am trying to overplot the
coordinate file generated by Daofind
package , but unfortunately the file has
no data , only the header names ,format
and units. I have tried experimenting
with different par...

1545

By: fitz

05/26/2022 07:17PM

error no indices on stack for array r...Started by:chrisb, 07/03/2008 11:09PM
on a pipeline program that i am creating
for Iraf I run the program and after it
runs and it perfroms its book keeping I
get the error "no indices on stack for
array reference" I cant find any reason
why I am getting this error when all the
arrays are c...

1545

By: fitz

07/03/2008 11:09PM

photometry of a clusterStarted by:AndrewS, 05/07/2011 08:30PM
I have reduced and coadded image of M13
in a red filter.
The individual frames all had BPMs
associated with them. This BPM was to
highlight saturated pixels.
when I coadd these to make the final
coadded image of m13, there is not a
BPM automatically as...

1549

By: valdes

05/07/2011 08:30PM

unpacking complexStarted by:duvall, 02/16/2011 04:50PM
I use a vector subroutine aupxr to
unpack a series of complex numbers into
real and imaginary parts. When the
input number is complex(0.,0.), the
output is 128. for both the real and
imaginary parts. But only iraf v15 sees
this. Iraf v14 (both on lin...

1549

By: fitz

02/16/2011 04:50PM

16bit images -> 6MB?Started by:AnTaR3s, 04/10/2010 10:51AM
Hi

I've got a simple question, just to
understand what IRAF does:

Consider this:
I've got images with a resolution of
1536x1024 an 16bit. This makes a 3MB
file for each image and this is also
what I get.
But when I process the images with IRAF
(ccdpro...

1551

By: AnTaR3s

04/10/2010 10:51AM

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